Toyota Highlander Service Manual: Emission control system (2AZ-FE)

Emission control

...

Location

SYSTEM DIAGRAM The emission control system is determined by the ECM based on signals from various sensors. ...

More about Toyota Highlander:

Replacement
1. WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See page 11-35 ) 2. REMOVE FRONT WHEELS 3. REMOVE ENGINE UNDER COVER NO.1 4. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSY LH 5. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSY RH 6. REMOVE FRONT FENDER APRON SEAL LH 7. REMOVE FRONT FENDER APRON SEAL ...